Low Tire pessure Warning Lamp Does Not Come On When Ignition Switch Is Turned On
Note:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.
DIAGNOSTIC PROCEDURE
1.PERFORM SELF DIAGNOSTIC RESULT
Perform “SELF DIAGNOSTIC RESULT”.
Is DTC “U1000” detected? YES >> Malfunction in CAN communication system. Refer to LAN-16, "Trouble Diagnosis Flow Chart".
NO >> GO TO 2
2.CHECK COMBINATION METER
Check combination meter operation. Refer to MWI-17, "CONSULT Function (METER/M&A)".
Is the inspection result normal? YES >> GO TO 3
NO >> Replace combination meter. Refer to MWI-77, "Removal and Installation".
3.CHECK LOW TIRE PRESSURE WARNING LAMP
Disconnect BCM harness connector.
Does the low tire pressure warning lamp activate? YES >> Replace BCM. Refer to BCS-73, "Removal and Installation" (With Intellingent Key System) or BCS-126, "Removal and Installation" (Without Intellingent Key System).
NO >> Check combination meter operation.
Low tire pressure warning lamp
Low tire pressure warning lamp does not turn oFFDlc branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal
Check the terminals and connectors of the data link connector for
damage, bend and loose connection
(connector side and harness side).
Is the inspection result ...
Ipdm-e branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the IPDM E/R for damage, bend and
loose connection (unit side
and connector side).
Is the inspection result normal?
Yes ...
Battery
How to handle battery
CAUTION:
If it becomes necessary to start the engine with a booster battery
and jumper cables, use a 12-volt
booster battery.
After connecting battery cables, ensure that they are tightly
clamped to battery terminals for good
contact.
Never add distilled wat ...